Add comment
Change-Id: Idc2890ebc10c0e6a116bc7c8872cd379e1cf3e25
diff --git a/include/hardware/audio_policy.h b/include/hardware/audio_policy.h
index 8924dd1..4662f0f 100644
--- a/include/hardware/audio_policy.h
+++ b/include/hardware/audio_policy.h
@@ -291,7 +291,10 @@
/* Audio input Control functions */
/* */
- /* opens an audio input */
+ /* opens an audio input
+ * deprecated - new implementations should use open_input_on_module,
+ * and the acoustics parameter is ignored
+ */
audio_io_handle_t (*open_input)(void *service,
audio_devices_t *pDevices,
uint32_t *pSamplingRate,